Melting points - Study guides, Class notes & Summaries

Chemistry exam 1 Exam Study Guide Solutions ionic compound properties - ANSWER-- have a high melting and boiling point - they're solid at room temperature - are hard, but brittle, so they're not malleable or ductile - don't conduct electricity in solid state - are good conductors of electricity in liquid state or when dissolved in water - they vary from very soluble to insoluble in water, they're not soluble in non-polar solvents (oil) define ionic compounds - ANSWER-made by...

BIOC 385 Exam 2 Questions and Verified Answers (100% Correct Elaborations) Already Passed. What property of albumin protein makes it an ideal biomolecule for transporting fatty acids through the circulatory system? It contains Phe and Tyr residues that serve as binding sites for fatty acids. It contains Asp and Glu residues that serve as binding sites for fatty acids. It is allosterically activated by palmitate binding and inhibited by arachidonate. It contains many alpha helical regions t...

BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 How many electrons can a p subshell hold? correct answer6 How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct ...

Pearson Edexcel Level 1/LeveI 2 GCSE (9-1) Time 1 hour 10 minutes Paper ISCO/2CF Reference combined science PAPER 5 Foundation Tier Please check the examination details below before entering your candidate information Centre Number Candidate Number Pearson Edexcel Level 1/Level 2 GCSE (9–1) Time 1 hour 10 minutes Paper reference 1SC0/2CF Total Marks Candidate surname Other names You must have: Calculator, ruler • • Answer all questions. • Calculators may be used. •...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024 QUESTION PAPER WITH QUESTIONS AND CORRCT ANSWERS GRADED A+ What is in the nucleus? - CORRECT ANSWER-Protons and neutrons What is relative atomic mass? - CORRECT ANSWER-Relative atomic mass is an average mass taking into account the different masses and abundances of all the isotopes that make up the element How do you calculate the relative atomic mass? - CORRECT ANSWER-Sum of (isotope abundance x isotope mass number) / sum of abundan...

AS-Level Chemistry :Paper 1 2024 latest update graded a+ Arranged in periods (rows) and groups (columns) by atomic (proton) number - CORRECT ANSWER-How is the periodic table arranged Have the same number of electrons shells, even if they are not all parts of the s or p sub-shells - CORRECT ANSWER-All elements within a period ... Have the same number of electrons in their outer shell, meaning that they all have similar properties - CORRECT ANSWER-All elements within a group ... Periodic...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

2024 Newest |Chemistry exam 1| UPDATE|COMPREHENSIVE FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE ionic compound properties - ANSWER-- have a high melting and boiling point - they're solid at room temperature - are hard, but brittle, so they're not malleable or ductile - don't conduct electricity in solid state - are good conductors of electricity in liquid state or when dissolved in water - they vary from very soluble to insoluble in water, they'r...

BTEC Applied Science Unit 1 Chemistry (Graded) How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct answerOrbitals must all be singly filled before they can be doubly occupied Which elements do not fill the 4s subshell befor...

change of state from solid -> liquid -> gas ________ energy - Answer-requires energy needed to phase change from solid --> liquid --> gas comes from: - Answer-the surroundings when phases change from solid --> liquid --> gas, interactions are _______ between molecules - Answerovercome change of state from gas --> liquid --> solid ______ energy - Answer-releases what happens to the energy from a phase change from gas --> liquid --> solid? - Answer-released to su...